CVE catalog

CVE-2026-111135

libfwsi: CVE-2026-111135

Severity: Medium · CVSS 6.9CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: Oct 15, 2026, 6:57:29 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.20% · Oct 25, 2026

libfwsi through 20260522 contains a heap out-of-bounds read vulnerability in libfwsi_mtp_volume_values_read_data() that allows attackers to read past buffer bounds via crafted MTP volume shell items. Attackers can embed a 10 to 53 byte shell item with item data size of 44 or more in a .lnk file, jump list or shell bag to crash consuming processes.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	libfwsi	sid	`20240423-1`	unknown
Debian	libfwsi	forky	`20240423-1`	unknown
Debian	libfwsi	trixie	`20240423-1`	unknown
Debian	libfwsi	bookworm	`20181227-1.1`	unknown

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	libfwsi	source	sid	`(unfixed)`	not yet assigned	Not reported	Not reported
Debian	libfwsi	source	forky	`(unfixed)`	not yet assigned	Not reported	Not reported
Debian	libfwsi	source	trixie	`(unfixed)`	not yet assigned	Not reported	Not reported
Debian	libfwsi	source	bookworm	`(unfixed)`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libfwsi1]Affected
Source package: [libfwsi]
Details (2)
- 20181227-1.1+b4 · amd64 · bookworm
  Affected
  dsa · libfwsi · debian · bookworm; dsa · libfwsi · debian · 12
- 20181227-1.1+b4 · arm64 · bookworm
  Affected
  dsa · libfwsi · debian · bookworm; dsa · libfwsi · debian · 12
[libfwsi-dev]Affected
Source package: [libfwsi]
Details (2)
- 20181227-1.1+b4 · amd64 · bookworm
  Affected
  dsa · libfwsi · debian · bookworm; dsa · libfwsi · debian · 12
- 20181227-1.1+b4 · arm64 · bookworm
  Affected
  dsa · libfwsi · debian · bookworm; dsa · libfwsi · debian · 12
[python3-libfwsi]Affected
Source package: [libfwsi]
Details (2)
- 20181227-1.1+b4 · amd64 · bookworm
  Affected
  dsa · libfwsi · debian · bookworm; dsa · libfwsi · debian · 12
- 20181227-1.1+b4 · arm64 · bookworm
  Affected
  dsa · libfwsi · debian · bookworm; dsa · libfwsi · debian · 12

[Debian 13 (Trixie)]

[libfwsi1t64]Affected
Source package: [libfwsi]
Details (2)
- 20240423-1 · amd64 · trixie
  Affected
  dsa · libfwsi · debian · 13
- 20240423-1 · arm64 · trixie
  Affected
  dsa · libfwsi · debian · 13
[libfwsi-dev]Affected
Source package: [libfwsi]
Details (2)
- 20240423-1 · amd64 · trixie
  Affected
  dsa · libfwsi · debian · 13
- 20240423-1 · arm64 · trixie
  Affected
  dsa · libfwsi · debian · 13
[python3-libfwsi]Affected
Source package: [libfwsi]
Details (2)
- 20240423-1 · amd64 · trixie
  Affected
  dsa · libfwsi · debian · 13
- 20240423-1 · arm64 · trixie
  Affected
  dsa · libfwsi · debian · 13

Observed: Oct 24, 2026, 2:51:12 AM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]